Tools & Wizards About Us
73dns.com screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

73dns.com

云盾网络-虚拟主机,免备案CDN,服务器实现免备案,抗攻击CDN,域名注册,主机租用,主机,服务器租用，主页空间,网站空间,主机托管,php5.3空间,asp空间,免费全能空间,低价免费云主机vps

Page Load Speed

17.1 sec in total

First Response

1.7 sec

Resources Loaded

15.2 sec

Page Rendered

255 ms

73dns.com screenshot

About Website

Visit 73dns.com now to see the best up-to-date 73 Dns content and also check out these interesting facts you probably never knew about 73dns.com

云盾网络是虚拟主机服务商,提供免备案CDN,服务器实现免备案,抗攻击CDN,虚拟主机,VPS主机,虚拟空间,云享主机,云主机,国内虚拟主机,海外主机。独创全新数字智能虚拟主机技术,为企业上网建站提供较好的虚拟主机VPS主机方案!——云盾网络

Visit 73dns.com

Key Findings

We analyzed 73dns.com page load time and found that the first response time was 1.7 sec and then it took 15.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

73dns.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

73dns.com

1693 ms

animate.css

514 ms

index_new.css

1071 ms

jquery.js

1868 ms

jquery.SuperSlide.2.1.1.source.js

1085 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 69% of them (33 requests) were addressed to the original 73dns.com, 21% (10 requests) were made to Cnaaa.com and 4% (2 requests) were made to Wpa.qq.com. The less responsive or slowest element that took the longest time to load (12.4 sec) belongs to the original domain 73dns.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.7 kB (16%)

Content Size

588.5 kB

After Optimization

495.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 73dns.com main page is 588.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 413.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 66.2 kB

  • Original 79.5 kB
  • After minification 69.8 kB
  • After compression 13.2 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 9.7 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 66.2 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 10.7 kB

  • Original 413.4 kB
  • After minification 402.6 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. 73 Dns images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 12.9 kB

  • Original 86.6 kB
  • After minification 86.6 kB
  • After compression 73.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 12.9 kB or 15% of the original size.

CSS Optimization

-31%

Potential reduce by 2.8 kB

  • Original 9.1 kB
  • After minification 9.1 kB
  • After compression 6.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. 73dns.com needs all CSS files to be minified and compressed as it can save up to 2.8 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (13%)

Requests Now

40

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 73 Dns. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

73dns.com

73dns.com

1693 ms

animate.css

animate.css

514 ms

index_new.css

index_new.css

1071 ms

jquery.js

jquery.js

1868 ms

jquery.SuperSlide.2.1.1.source.js

jquery.SuperSlide.2.1.1.source.js

1085 ms

nva_new.js

nva_new.js

826 ms

kefu.js

kefu.js

674 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

674 ms

footer.css

footer.css

674 ms

kefu.js

kefu.js

884 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

1318 ms

footer.css

footer.css

906 ms

pa

pa

958 ms

pa

pa

980 ms

logo.png

logo.png

287 ms

pro_img01.png

pro_img01.png

267 ms

pro_img02.png

pro_img02.png

1006 ms

pro_img03.png

pro_img03.png

271 ms

pro_img04.png

pro_img04.png

510 ms

pro_img05.png

pro_img05.png

543 ms

fwq_icon1.png

fwq_icon1.png

526 ms

fwq_icon2.png

fwq_icon2.png

534 ms

fwq_icon3.png

fwq_icon3.png

570 ms

fwq_icon4.png

fwq_icon4.png

752 ms

index-Hosting.jpg

index-Hosting.jpg

2482 ms

server_core.gif

server_core.gif

789 ms

news_01.png

news_01.png

1597 ms

news_02.png

news_02.png

1403 ms

news_03.png

news_03.png

2051 ms

1.gif

1.gif

1041 ms

2.gif

2.gif

1278 ms

3.gif

3.gif

2538 ms

4.gif

4.gif

1555 ms

5.gif

5.gif

1700 ms

6.gif

6.gif

1808 ms

7.gif

7.gif

1877 ms

8.gif

8.gif

1979 ms

9.gif

9.gif

2675 ms

banner_03.jpg

banner_03.jpg

4893 ms

banner_05.jpg

banner_05.jpg

12407 ms

slider-arrow.png

slider-arrow.png

2288 ms

zaixiankefu.png

zaixiankefu.png

224 ms

kf_02.png

kf_02.png

241 ms

push.js

push.js

912 ms

kf_02.png

kf_02.png

218 ms

kf_02.png

kf_02.png

223 ms

button_121.gif

button_121.gif

928 ms

button_121.gif

button_121.gif

947 ms

Accessibility Review

73dns.com accessibility score

58

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

73dns.com best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

73dns.com SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 73dns.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that 73dns.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

73dns.com

Open Graph description is not detected on the main page of 73 Dns. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: